1.

In how many ways can 12 different books be divided equally among 4 persons?1). 3000002). 3605003). 3696004). 423500

Answer»

Each person will GET 12 ÷ 4 = 3 books

Now, first person can be given 3 books out of 12 DIFFERENT books in 12C3, ways. SECOND person can be given 3 books out of the rest (12 – 3 = 9) books in 9C3 ways. SIMILARLY, third person in 6C3 and the fourth person in 3C3 ways

Required no. of ways = 12C3 × 9C3 × 6C3 × 3C3

$(\frac {12!}{3!9!}



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